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PMC's NMDC are made of DNM110 raw bar materials, which are imported from Daido Steel Co., Ltd. in Japan. DNM110 has excellent performance in lower magnetic conductivity, higher mechanical property and resistant to stress corrosion cracking. |
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| NMDC Specification |
Outside Diameter |
Bore Diameter |
Connections |
inch |
mm |
inch |
mm |
| 4-1/8 |
104.78 |
2
2-1/4 |
50.80
57.15 |
NC31,NC35
NC35 |
| 4-3/4 |
120.65 |
2
2-1/4 |
50.80
57.15 |
NC35,
NC35,NC38(3 1/2IF) |
| 6-1/4 |
158.75 |
2-1/4
2-13/16 |
57.15
71.44 |
NC46
NC46(4 IF) |
| 6-1/2 |
165.1 |
2-1/4
2-13/16 |
57.15
71.44 |
NC46(4 IF)
NC46(4 IF) |
| 7 |
177.8 |
2-1/4
2-13/16 |
57.15
71.44 |
NC50(4 1/2IF)
NC50(4 1/2IF) |
| 8 |
203.2 |
2-13/16
3 |
71.44
76.20 |
6 5/8REG
6 5/8REG |
| 9 |
228.6 |
2-13/16
3 |
71.44
76.20 |
7 5/8REG
7 5/8REG |
| 9-1/2 |
241.3 |
3 |
76.20 |
7 5/8REG |
| 10 |
254 |
3 |
76.20 |
NC70 |
| 11 |
275.4 |
3 |
76.20 |
NC77 |
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